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The journal AGRICULTURA (A) publishes scientific works from the following fields: animal science, plant production, farm mechanisation, land management, agricultural economics, ecology, biotechnology, microbiology
ISSN 1581-5439

Etleva VEIZAJ, Myqerem TAFAJ, Klaus MÄNNER
pp. 37-41

A combined probiotic preparation of Lactobacillus plantarum ATCC 14917 1x1011 CFU/kg, Lactobacillus fermentum DSM 20016 1x1011 CFU/kg and Enterococcus faecium ATCC 19434 1x1011 CFU/kg was supplemented to a basal ration with 100, 150 and 200 mg/kg feed and the eff ects on growth performance, apparent nutrient digestibility, digesta pH and the total number of microbes (Anaerobe bacteria, Lactobacilli spp, Enterococci spp, Escherichia coli) of defined intestinal segments on thirty two weaned piglets (28 days) were studied for six weeks experimental period. The supplementation of combined probiotic improved slightly daily weight gain (DWG) and feed conversion ratio (FCR), kg feed/kg weight gain. Fibre digestibility was slightly increased and fat digestibility was slightly decreased. Overall a positive eff ect of the probiotic on growth performance was observed. Th e results indicate that the probiotic preparation may be less suppressive to the Escherichia coli. Th e eff ects of the probiotic preparation on the microbial composition of the chyme showed no dose–depended eff ects. Failure of a dose-response and not clear eff ects on pH, digestibility, microbial composition in faeces and chyme were possibly caused by combination of diff erent strains. However we recommend the level of 150 mg/kg feed combined probiotic as the optimal dose.

Key words: combined probiotic, microbial composition, digesta, mucosa, faeces, weaned piglet


Slovenian:

Vpliv kombiniranega probiotika na intenzivnost rasti, prebavljivost in na mikrobno sestavo črevesja ter blata odstavljenih pujskov

Kombinirani probiotični pripravek Lactobacillus plantarum ATCC 14917 1x1011 CFU/kg, Lactobacillus fermentum DSM 20016 1x1011 CFU/kg in Enterococcus faecium ATCC 19434 1x1011 CFU/kg je bilo dodanih v bazalni obrok v količini 100, 150 in 200 mg/kg krme. Proučevane lastnosti so bile intenzivnost rasti, navidezna prebavljivost hranil, pH vrednost, skupno število mikroorganizmov (bakterij, Lactobacili spp, enterokoki spp, Escherichia coli) v določenih delih tankega črevesja pri dvaintridesetih odstavljenih pujskih (28 dni). Čas testiranja je bil šest tednov. Dopolnitev obroka s kombiniranim probiotikom nekoliko izboljšala velikost dnevnega prirasta (DWG) in učinkovitost izkoriščanja krme (FCR). Prebavljivost vlaknin se je nekoliko povečala in prebavljivost maščob se je nekoliko znižala. Ugotovljen je bil skupni pozitivni učinek probiotika na intenzivnost rasti prašičev. Rezultati so pokazali, da probiotik deluje manj zaviralno na Escherichia coli. Probiotik ni pokazal vpliva na mikrobiološko sestavo želodčne vsebine in količina odmerka prav tako ni imela nobenega vpliva. Odpoved delovanja probiotika in odmerka na pH vrednost, prebavljivost, mikrobno sestavo v blatu in želodčno vsebino ni pojasnjena, vendar domnevamo, da je razlog v različnih sevih mikroorganizmov. Vseeno je priporočen odmerek dodatka probiotika v krmo prašičev 150 mg/kg krme.

Ključne besede: kombinirani probiotik; mikrobna sestava; prebava, sluznica, blato, odstavljeni pujski


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